Swift Package IndexBuild Information
Successful build of sstv, reference main (6c3910), with Swift 6.1 for Android on 19 Apr 2026 09:22:27 UTC.
Swift 6 data race errors: 1
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kevinnz/SSTV-MEL.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/kevinnz/SSTV-MEL
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 6c3910f Merge pull request #33 from kevinnz/decode-improvement
Cloned https://github.com/kevinnz/SSTV-MEL.git
Revision (git rev-parse @):
6c3910f3455b4cf70ebda2b5adff9e6b2de86c95
SUCCESS checkout https://github.com/kevinnz/SSTV-MEL.git at main
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/kevinnz/SSTV-MEL.git
https://github.com/kevinnz/SSTV-MEL.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
android-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d37fe7b8fba27dae59fb1d9d7dfa86b38b41ffb3975924aad6f05cb4cc3de131
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest
Fetching https://github.com/apple/swift-argument-parser.git
[176/17529] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser.git from cache (1.28s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.7.1 (2.40s)
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.7.1
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/13] Write sources
[6/13] Write swift-version-24593BA9C3E375BF.txt
[8/32] Compiling ArgumentParserToolInfo ToolInfo.swift
[9/32] Emitting module ArgumentParserToolInfo
[10/33] Wrapping AST for ArgumentParserToolInfo for debugging
[12/79] Emitting module ArgumentParser
[13/85] Compiling ArgumentParser Tree.swift
[14/85] Compiling ArgumentParser CodingKeyValidator.swift
[15/85] Compiling ArgumentParser NonsenseFlagsValidator.swift
[16/85] Compiling ArgumentParser ParsableArgumentsValidation.swift
[17/85] Compiling ArgumentParser PositionalArgumentsValidator.swift
[18/85] Compiling ArgumentParser UniqueNamesValidator.swift
[19/85] Compiling ArgumentParser ArgumentVisibility.swift
[20/85] Compiling ArgumentParser CompletionKind.swift
[21/85] Compiling ArgumentParser Errors.swift
[22/85] Compiling ArgumentParser Flag.swift
[23/85] Compiling ArgumentParser NameSpecification.swift
[24/85] Compiling ArgumentParser Option.swift
[25/85] Compiling ArgumentParser OptionGroup.swift
[26/85] Compiling ArgumentParser DumpHelpGenerator.swift
[27/85] Compiling ArgumentParser HelpCommand.swift
[28/85] Compiling ArgumentParser HelpGenerator.swift
[29/85] Compiling ArgumentParser MessageInfo.swift
[30/85] Compiling ArgumentParser UsageGenerator.swift
[31/85] Compiling ArgumentParser CollectionExtensions.swift
[32/85] Compiling ArgumentParser InputOrigin.swift
[33/85] Compiling ArgumentParser Name.swift
[34/85] Compiling ArgumentParser Parsed.swift
[35/85] Compiling ArgumentParser ParsedValues.swift
[36/85] Compiling ArgumentParser ParserError.swift
[37/85] Compiling ArgumentParser SplitArguments.swift
[38/85] Compiling ArgumentParser Foundation.swift
[39/85] Compiling ArgumentParser Mutex.swift
[40/85] Compiling ArgumentParser Platform.swift
[41/85] Compiling ArgumentParser SequenceExtensions.swift
[42/85] Compiling ArgumentParser StringExtensions.swift
[43/85] Compiling ArgumentParser SwiftExtensions.swift
[44/85] Compiling ArgumentParser ParentCommand.swift
[45/85] Compiling ArgumentParser AsyncParsableCommand.swift
[46/87] Compiling ArgumentParser ArgumentDiscussion.swift
[47/87] Compiling ArgumentParser ArgumentHelp.swift
/host/spi-builder-workspace/Sources/SSTVCore/SSTV/DecodingOptions.swift:170:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
40 | /// let buffer = try decoder.decode(audio: audio, options: options)
41 | /// ```
42 | public struct DecodingOptions {
| `- note: consider making struct 'DecodingOptions' conform to the 'Sendable' protocol
43 |
44 | // MARK: - Limits
:
168 |
169 | /// Default options with no adjustments
170 | public static let `default` = DecodingOptions()
| |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
171 |
172 | // MARK: - Computed Properties
/host/spi-builder-workspace/Sources/SSTVCore/SSTV/DecodingOptions.swift:170:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
40 | /// let buffer = try decoder.decode(audio: audio, options: options)
41 | /// ```
42 | public struct DecodingOptions {
| `- note: consider making struct 'DecodingOptions' conform to the 'Sendable' protocol
43 |
44 | // MARK: - Limits
:
168 |
169 | /// Default options with no adjustments
170 | public static let `default` = DecodingOptions()
| |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
171 |
172 | // MARK: - Computed Properties
[52/87] Compiling ArgumentParser ZshCompletionsGenerator.swift
[53/87] Compiling ArgumentParser Argument.swift
[57/87] Emitting module SSTVCore
/host/spi-builder-workspace/Sources/SSTVCore/SSTV/DecodingOptions.swift:170:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
40 | /// let buffer = try decoder.decode(audio: audio, options: options)
41 | /// ```
42 | public struct DecodingOptions {
| `- note: consider making struct 'DecodingOptions' conform to the 'Sendable' protocol
43 |
44 | // MARK: - Limits
:
168 |
169 | /// Default options with no adjustments
170 | public static let `default` = DecodingOptions()
| |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
171 |
172 | // MARK: - Computed Properties
[58/87] Compiling ArgumentParser BashCompletionsGenerator.swift
[59/87] Compiling ArgumentParser CompletionsGenerator.swift
[60/87] Compiling ArgumentParser FishCompletionsGenerator.swift
[63/87] Compiling SSTVCore VISDetector.swift
[64/87] Compiling SSTVCore ImageComparison.swift
[65/87] Compiling ArgumentParser EnumerableFlag.swift
[66/87] Compiling ArgumentParser ExpressibleByArgument.swift
[67/87] Compiling ArgumentParser ParsableArguments.swift
[75/87] Compiling ArgumentParser ParsableCommand.swift
[76/87] Compiling ArgumentParser ArgumentDecoder.swift
[77/87] Compiling ArgumentParser ArgumentDefinition.swift
[78/87] Compiling ArgumentParser ArgumentSet.swift
[79/87] Compiling ArgumentParser CommandParser.swift
[80/87] Compiling ArgumentParser InputKey.swift
[84/89] Wrapping AST for ArgumentParser for debugging
[85/89] Wrapping AST for SSTVCore for debugging
[87/96] Compiling sstv ExitCodes.swift
[88/96] Compiling sstv SSTVCommand.swift
[89/96] Compiling sstv InfoCommand.swift
/host/spi-builder-workspace/Sources/sstv/InfoCommand.swift:120:33: warning: result of call to 'createFile(atPath:contents:attributes:)' is unused
118 | message: "No data received on stdin.")
119 | }
120 | FileManager.default.createFile(atPath: tempPath, contents: stdinData)
| `- warning: result of call to 'createFile(atPath:contents:attributes:)' is unused
121 | return try WAVReader.read(path: tempPath)
122 | }
[90/96] Emitting module sstv
[91/96] Compiling sstv CLIOutput.swift
[92/96] Compiling sstv CLIDecoderDelegate.swift
/host/spi-builder-workspace/Sources/sstv/CLIDecoderDelegate.swift:101:16: warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
99 |
100 | writeToStderr(line)
101 | fflush(stderr)
| `- warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
102 | }
103 | }
/root/.swiftpm/swift-sdks/swift-6.1-RELEASE-android-24-0.1.artifactbundle/swift-6.1-release-android-24-sdk/android-27c-sysroot/usr/include/stdio.h:64:23: note: var declared here
62 | extern FILE* _Nonnull stdin __INTRODUCED_IN(23);
63 | extern FILE* _Nonnull stdout __INTRODUCED_IN(23);
64 | extern FILE* _Nonnull stderr __INTRODUCED_IN(23);
| `- note: var declared here
65 |
66 | /* C99 and earlier plus current C++ standards say these must be macros. */
[93/96] Compiling sstv DecodeCommand.swift
/host/spi-builder-workspace/Sources/sstv/DecodeCommand.swift:294:33: warning: result of call to 'createFile(atPath:contents:attributes:)' is unused
292 | message: "No data received on stdin.")
293 | }
294 | FileManager.default.createFile(atPath: tempPath, contents: stdinData)
| `- warning: result of call to 'createFile(atPath:contents:attributes:)' is unused
295 | return try WAVReader.read(path: tempPath)
296 | }
[94/97] Wrapping AST for sstv for debugging
[95/97] Write Objects.LinkFileList
[96/97] Linking sstv
Build complete! (44.41s)
Build complete.
{
"dependencies" : [
{
"identity" : "swift-argument-parser",
"requirement" : {
"range" : [
{
"lower_bound" : "1.3.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-argument-parser.git"
}
],
"manifest_display_name" : "sstv",
"name" : "sstv",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "13.0"
},
{
"name" : "ios",
"version" : "16.0"
}
],
"products" : [
{
"name" : "SSTVCore",
"targets" : [
"SSTVCore"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "sstv",
"targets" : [
"sstv"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "sstvTests",
"module_type" : "SwiftTarget",
"name" : "sstvTests",
"path" : "Tests/sstvTests",
"sources" : [
"DecoderStateBehaviorTests.swift",
"DecoderStateTests.swift",
"DecodingOptionsTests.swift",
"DecodingProgressTests.swift",
"FMDemodulatorTests.swift",
"GoertzelTests.swift",
"GoldenFileTests.swift",
"ImageBufferTests.swift",
"ImageWriterTests.swift",
"PD120ModeTests.swift",
"PD180ModeTests.swift",
"Robot36ModeTests.swift",
"SignalSearchTests.swift",
"VISDetectorTests.swift",
"WAVReaderTests.swift"
],
"target_dependencies" : [
"SSTVCore"
],
"type" : "test"
},
{
"c99name" : "sstv",
"module_type" : "SwiftTarget",
"name" : "sstv",
"path" : "Sources/sstv",
"product_dependencies" : [
"ArgumentParser"
],
"product_memberships" : [
"sstv"
],
"sources" : [
"CLIDecoderDelegate.swift",
"CLIOutput.swift",
"DecodeCommand.swift",
"ExitCodes.swift",
"InfoCommand.swift",
"SSTVCommand.swift"
],
"target_dependencies" : [
"SSTVCore"
],
"type" : "executable"
},
{
"c99name" : "SSTVCore",
"module_type" : "SwiftTarget",
"name" : "SSTVCore",
"path" : "Sources/SSTVCore",
"product_memberships" : [
"SSTVCore",
"sstv"
],
"sources" : [
"Audio/WAVReader.swift",
"DSP/FMDemodulator.swift",
"DSP/Goertzel.swift",
"Image/ImageBuffer.swift",
"Image/ImageWriter.swift",
"Modes/ModeParameters.swift",
"Modes/PD120Mode.swift",
"Modes/PD180Mode.swift",
"Modes/PDModeShared.swift",
"Modes/Robot36Mode.swift",
"SSTV/DecoderDelegate.swift",
"SSTV/DecodingOptions.swift",
"SSTV/DecodingProgress.swift",
"SSTV/SSTVDecoder.swift",
"SSTV/SSTVDecoderCore.swift",
"SSTV/SSTVMode.swift",
"SSTV/VISDetector.swift",
"Util/ImageComparison.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
android-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d37fe7b8fba27dae59fb1d9d7dfa86b38b41ffb3975924aad6f05cb4cc3de131
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest
Done.